99 lines
2.8 KiB
Python
99 lines
2.8 KiB
Python
import os
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import sys
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import ctypes
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import ctypes.util
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from .discovery import discover as user_discover
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# Disable false-positive _MEIPASS
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# pylint: disable=no-member,protected-access
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# Discover OpenSSL library
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def discover_paths():
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# Search local files first
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if "win" in sys.platform:
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# Windows
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names = [
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"libeay32.dll"
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]
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openssl_paths = [os.path.abspath(path) for path in names]
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if hasattr(sys, "_MEIPASS"):
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openssl_paths += [os.path.join(sys._MEIPASS, path) for path in openssl_paths]
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openssl_paths.append(ctypes.util.find_library("libeay32"))
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elif "darwin" in sys.platform:
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# Mac OS
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names = [
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"libcrypto.dylib",
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"libcrypto.1.1.0.dylib",
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"libcrypto.1.0.2.dylib",
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"libcrypto.1.0.1.dylib",
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"libcrypto.1.0.0.dylib",
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"libcrypto.0.9.8.dylib"
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]
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openssl_paths = [os.path.abspath(path) for path in names]
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openssl_paths += names
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openssl_paths += [
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"/usr/local/opt/openssl/lib/libcrypto.dylib"
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]
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if hasattr(sys, "_MEIPASS") and "RESOURCEPATH" in os.environ:
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openssl_paths += [
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os.path.join(os.environ["RESOURCEPATH"], "..", "Frameworks", name)
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for name in names
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]
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openssl_paths.append(ctypes.util.find_library("ssl"))
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else:
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# Linux, BSD and such
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names = [
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"libcrypto.so",
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"libssl.so",
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"libcrypto.so.1.1.0",
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"libssl.so.1.1.0",
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"libcrypto.so.1.0.2",
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"libssl.so.1.0.2",
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"libcrypto.so.1.0.1",
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"libssl.so.1.0.1",
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"libcrypto.so.1.0.0",
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"libssl.so.1.0.0",
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"libcrypto.so.0.9.8",
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"libssl.so.0.9.8"
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]
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openssl_paths = [os.path.abspath(path) for path in names]
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openssl_paths += names
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if hasattr(sys, "_MEIPASS"):
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openssl_paths += [os.path.join(sys._MEIPASS, path) for path in names]
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openssl_paths.append(ctypes.util.find_library("ssl"))
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lst = user_discover()
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if isinstance(lst, str):
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lst = [lst]
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elif not lst:
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lst = []
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return lst + openssl_paths
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def discover_library():
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for path in discover_paths():
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if path:
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try:
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return ctypes.CDLL(path)
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except OSError:
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pass
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raise OSError("OpenSSL is unavailable")
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lib = discover_library()
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# Initialize internal state
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try:
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lib.OPENSSL_add_all_algorithms_conf()
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except AttributeError:
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pass
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try:
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lib.OpenSSL_version.restype = ctypes.c_char_p
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openssl_backend = lib.OpenSSL_version(0).decode()
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except AttributeError:
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lib.SSLeay_version.restype = ctypes.c_char_p
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openssl_backend = lib.SSLeay_version(0).decode()
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openssl_backend += " at " + lib._name
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